1. devstack
  2. Commit 9cb1776a9206dcc4279c9d7c3b587d246b54ae1c
Browse code

2.5x increase in default volume backing file size

The current default volume backing file size of ~2Gb seem unfeasibly
small and precludes running exercises that require multiple volumes
and/or snapshots to be created.

We increase this to ~5Gb.

Change-Id: Id6b8d122be919d1b0041288e81b735af21958ff7

Eoghan Glynn authored on 2012/07/15 18:22:45
Showing 3 changed files
lib/cinder
History View file @ 9cb1776
... ... 
@@ -93,11 +93,10 @@ function init_cinder() {
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         # volume group, create your own volume group called ``stack-volumes`` before
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         # invoking ``stack.sh``.
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         #
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-        # By default, the backing file is 2G in size, and is stored in ``/opt/stack/data``.
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+        # By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
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         if ! sudo vgs $VOLUME_GROUP; then
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             VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
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-            VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}
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             # Only create if the file doesn't already exists
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             [[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
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             DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
stack.sh
History View file @ 9cb1776
... ... 
@@ -1638,11 +1638,10 @@ elif is_service_enabled n-vol; then
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     # volume group, create your own volume group called ``stack-volumes`` before
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     # invoking ``stack.sh``.
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     #
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-    # By default, the backing file is 2G in size, and is stored in ``/opt/stack/data``.
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+    # By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
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     if ! sudo vgs $VOLUME_GROUP; then
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         VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
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-        VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}
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         # Only create if the file doesn't already exists
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         [[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
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         DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
stackrc
History View file @ 9cb1776
... ... 
@@ -120,3 +120,6 @@ esac
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 if [ -f $RC_DIR/localrc ]; then
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     source $RC_DIR/localrc
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 fi
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+
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+# 5Gb default volume backing file size
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+VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-5130M}